//
// Created by 11510 on 2024/6/27.
//
#include <iostream>
#include <queue>
#include <vector>
#include <math.h>
#include <algorithm>
#include <iterator>

using namespace std;

void test() {
    vector<int> vec;
    vec.reserve(5);
    istream_iterator<int> istreamIterator(cin);
    copy(istreamIterator, istream_iterator<int>(), back_inserter(vec));

    copy(vec.begin(), vec.end(), ostream_iterator<int>(cout, " "));
}

void test1(){
    deque<int> id;
    istream_iterator<int> inite(cin), eos;
    copy(inite, eos, inserter(id, id.begin()));

    int a = 1;
}

int main() {
    test1();
    return 0;
}